" but the topics listed are Nuclear Proliferation and Thomas Alva Edison. The question is further qualified with, " After USA wanted to be alone owner for nuclear weapons. read more
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb. read more